diff options
Diffstat (limited to 'lib/dtas/source/av_ff_common.rb')
| -rw-r--r-- | lib/dtas/source/av_ff_common.rb | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/lib/dtas/source/av_ff_common.rb b/lib/dtas/source/av_ff_common.rb index f67ab83..c600c48 100644 --- a/lib/dtas/source/av_ff_common.rb +++ b/lib/dtas/source/av_ff_common.rb @@ -21,10 +21,23 @@ module DTAS::Source::AvFfCommon # :nodoc: attr_reader :format attr_reader :duration + CACHE_KEYS = [ :@duration, :@probe_harder, :@comments, :@astreams, + :@format ].freeze + + def mcache_lookup(infile) + (@mcache ||= DTAS::Mcache.new).lookup(infile) do |input, dst| + tmp = source_file_dup(infile, nil, nil) + tmp.av_ff_ok? or return nil + CACHE_KEYS.each { |k| dst[k] = tmp.instance_variable_get(k) } + dst + end + end + def try(infile, offset = nil, trim = nil) - rv = source_file_dup(infile, offset, trim) - rv.av_ff_ok? or return - rv + ent = mcache_lookup(infile) or return + ret = source_file_dup(infile, offset, trim) + CACHE_KEYS.each { |k| ret.instance_variable_set(k, ent[k]) } + ret end def __parse_astream(cmd, stream) |